Webmaster tools is yet another great free program from Google. Think of it has a Google check up for your site. Google Webmaster Tools address provides support for those looking to diagnose errors, improve a site's visibility and declare preferences on how to handle web site listings. It can point on key pages that are not indexed, slow loading pages and much more. If even can warn you if you are using an outdated copy of WordPress. Below is an example of a message that would appear in your account if your version was too old.